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Finding the Fourth Proportional to 14,034.84, 19,367.70 and 7,747.08

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Solution

The fourth proportional to 14,034.84, 19,367.70 and 7,747.08 is: 10,690.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,034.84 : 19,367.70 = 7,747.08 : x
  2. Step 2: Convert to fraction form
    14,034.84/19,367.70 = 7,747.08/x
  3. Step 3: Cross multiply
    14,034.84x = 19,367.70 × 7,747.08
  4. Step 4: Simplify right side
    14,034.84x = 150,043,121.32
  5. Step 5: Solve for x
    x = 150,043,121.32/14,034.84
  6. Step 6: Final answer
    x = 10,690.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.